Henry IV, Holy Roman Emperor 1050-1106. "Henry IV before Pope Gregory VII." - (Canossa, 25/27 Jan. 1077: Henry begs the pope to rescind the sentence of excommunication). Woodcut after a drawing by Friedrich Hottenroth (born 1840). From: W.Zimmermann, Illustr. Gesch. des dt. Volkes, vol. 2, Stuttgart (G.Weise) 1875. Berlin, Sammlung Archiv für Kunst und Geschichte.